* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f0f2f5;
    color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}
.container {
    background: #fff;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    max-width: 500px;
}
h1 { color: #2563eb; margin-bottom: 0.5rem; }
.subtitle { color: #6b7280; margin-bottom: 1.5rem; }
.info { text-align: left; background: #f9fafb; padding: 1rem; border-radius: 8px; margin-bottom: 1.5rem; }
.info p { padding: 0.3rem 0; }
.link { color: #2563eb; text-decoration: none; font-weight: 500; }
.link:hover { text-decoration: underline; }